AND gate vs AND circuit

AND gate and AND circuit both are nouns.

Word	Noun	Adjective	Verb	Adverb
AND gate	Yes	No	No	No
AND circuit	Yes	No	No	No

As nouns, AND gate and AND circuit are synonyms defined as:

AND gate and AND circuit: a circuit in a computer that fires only when all of its inputs fire

AND gate (noun)	AND circuit (noun)
a circuit in a computer that fires only when all of its inputs fire	a circuit in a computer that fires only when all of its inputs fire